*{
	margin: 0;
	padding:0;
	box-sizing: border-box;
}
.container{
	width:870px;
	margin: auto;
}
header{
	background-color: #54afdb;
	color: #fff;
}
header a{
	color:#FFFFFF;
}
nav{
	padding-top:12px;
	padding-bottom:12px;
    margin-bottom:50px;
}
nav .col {
	width:33.333333%;
	float: left;
}
nav::after{
	content:"";
	display:table;
	clear:both;
}
.col-left{
	height: 10px;
}
.col-center{
	text-align: center;
}
.col-right{
	text-align: right;
	font-size:12px;
	font-weight: bold;
}
.col-right a{
	text-decoration: none;
	position:relative;
	top: 5px;
}
.col-right a img{
	display: none;
}
/*banner*/
.banner{
	
}
.banner .col{
	width: 50%;
	float:left;
}
.banner::after{
	content:"";
	display:table;
	clear:both;
}
.banner p{
	font-weight:bold;
}
.banner h1{
/*	font-weight:bold;*/
    margin-bottom:10px;
    margin-top:5px;
}
.banner a{
	background-color:#2996cc;
	padding: 15px 50px;
	display: inline-block;
	font-size:12px;
	font-weight: bold;
	text-decoration: none;
	transform: .5s;
}
.banner a:hover{
	background-color: #1799cc;
}
.banner img{
	display: block;
	width: 100%;
}



/*list*/
.list{
    margin-bottom: 60px;
    padding-bottom: 200px;
        margin-top: 85px;
}
.list .col{
	width:25%;
	float:left;
	text-align: center;
	padding-left:10px;
	padding-right:10px;
}
.list img{
	margin-bottom:10px;
}
.list h3{
	font-size:14px;
	margin-bottom:10px;
}
.list p{
	font-size:14px;
	color:#778191;
}
/*下载样式
*/
.download{
    text-align:center;
    margin-bottom:60px;
}
.download h2{
    font-size:28px;
    font-weight: 300;
    color:#2e3b4e;
    margin-bottom:20px;
}
.download p{
    color:#667083;
    margin-bottom:30px;
}

/*底部样式
*/
footer{
    background-color: #1b2126;
    color:#67737a;
    padding-top: 60px;
    padding-bottom: 60px;
}



/*手机*/
@media (max-width:700px){
    .container{
        width:95%;
    }
    .col-right a span{
    	display: none;
    }
    .col-right a img{
    	display:inline-block;
    }
    .banner .col{
        width:95%;
        margin-bottom:30px;
        text-align: center;
    }
    .list .col{
        width:100%;
        margin-top:5px;
        margin-bottom:20px;
}

    
}
    